Plz solve the b part of the 30th question Only Handwritten Answer - Maths - Ratio and Proportion

Question

Plz solve the b part of the 30th question Only Handwritten Answer

Ritesh Kumar · Accepted Answer

Dear student, <img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5ed46f2316e9f%20jpg"
style="width: 1023px; height: 1022px;">
Regards

Plz solve the b. part of the 30th question Only Handwritten Answer......